Common use of Interconnection Customer’s Interconnection Facilities Clause in Contracts

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta main step-up transformer with a 9.5 percent impedance on a 94 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, from the Large Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV Substation property line. (iii) Install optical ground wire (“OPGW”) on the Generation Tie-Line to provide one of two telecommunication paths required for the line protection scheme and the remote terminal units (“RTUs”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Substation. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipment. (xii) Pursuant to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as specified by the Participating TO. In accordance with Article

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation new Aura switchyard with one 3 breaker ringbus and required support facilties to function as collector switchyard and for termination of the new 220 kV Aura-Whirlwind 220 kV Geration Tie Line as described in subpart (1ii) 115/34.5/13.8kV wye grounded-wye grounded-delta main step-up transformer with a 9.5 percent impedance on a 94 MVA base.below and shown in Appendix C. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four1.5 mile 220 kV generation tie-hour) rating of 1184 Amps, line from the Large Generating Facility new Aura switchyard to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Whirlwind Substation, where the Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the Aura-Whirlwind 220 kV Line. The right-of-way for the Generation TieAura-Whirlwind 220 kV Line shall extend up to the edge of the Coolwater 115kV Whirlwind Substation property line. (iii) Install optical ground wire (“OPGW”) on the Generation TieAura-Whirlwind 220kV Transmission Line to provide one of the two telecommunication paths required for to support the line protection scheme and the remote terminal units Special Protection Scheme (“RTUsSPS”), and Remote Terminal Unit (“RTU”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Whirlwind Substation. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility Aura switchyard to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Whirlwind Substation to provide the second telecommunication path required for the line protection schemescheme and the SPS. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (Note: Interconnection Customer recognizes that SPS will open Aura-Whirlwind line breakers at the Aura switchyard.) (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Whirlwind Substation and at the Large Generating FacilityAura switchyard, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, Aura switchyard in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install Install a revenue metering cabinet and revenue metering equipment (typically, potential voltage and current transformerstransformers on the Aura-Whirlwind 220 kV line) at the Large Generating Facility Aura switchyard to meter the Large Generating Facility retail loadload as specified by Participating TO. The metering cabinet must be placed at a location that would allow twenty-four hour access for the Participating TO’s metering personnel. (xii) Allow the Participating TO to install, in the revenue metering cabinet provided by the Interconnection Customer, revenue meters and appurtenant equipment required to meter the retail load at the Aura switchyard. (xiii) Install 220kV line protection at the Generating Facility as specified by the Participating TO. In This is expected to include the following: 1. One (1) G.E. L90 current differential relay with dual dedicated digital communication channels to the Whirlwind Substation. 2. One (1) SEL 311L current differential relay with dual dedicated digital communication channels to the Whirlwind Substation. (xiv) Install disconnect facilities in accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipmentInterconnection Handbook to comply with the Participating TO’s switching and tagging procedures. (xiixv) Pursuant Install necessary relays and satellite clock to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at support the SPS requirements for the Large Generating Facility to meter the Large Generating Facility Charging Demand, as Facility. The make and type of SPS relays and satellite clock will be specified by the Participating TO during final engineering of the Participating TO. In accordance with Article’s Interconnection Facilities

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one eight (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 8) 230/34.5/12.47 kV main step-up transformer transformers with a 9.5 an 8.0 percent impedance on a 94 78 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 approximately one (1) mile, 1272 220 kV, 636 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, line from the Large Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Colorado River Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV Colorado River Substation property line. (iii) Install optical ground wire (“OPGW”) on the Generation Tie-Line to a point designated by the Participating TO, near the Colorado River Substation, to provide one of two telecommunication paths required for the line protection scheme and scheme, the remote terminal units (“RTUs”), and one of the two required telecommunication paths required for the RAS. A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Colorado River Substation. (iv) Install appropriate singleAll-mode Dielectric Self Supporting (“ADSS”) fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Colorado River Substation to provide the second telecommunication path required for the line protection schemescheme and the RAS. A minimum of eight (8) strands within the single-single- mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Colorado River Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipment. (xii) Pursuant to Article 7 7.3 of this LGIA, install a allow the Participating TO to install, in the metering cabinet and metering equipment (typicallyprovided by the Interconnection Customer, potential and current transformers) meters required to meter the retail load at the Large Generating Facility Facility. (xiii) Install relay protection to meter the Large Generating Facility Charging Demand, as be specified by the Participating TO to match the relay protection used by the Participating TO at Colorado River Substation, in order to protect the Generation Tie-Line, as follows: Two (2) current differential relays via diversely routed dedicated digital communication channels to Colorado River Substation. The make and type of current differential relays will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xiv) Install necessary relays and satellite clock to support the RAS requirements for the Large Generating Facility. In The make and type of RAS relays and satellite clock will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xv) Install all equipment necessary to comply with the power factor requirements of Article 9. 6.1 of the LGIA, including the ability to regulate the power factor to maintain a voltage schedule (VAR schedule) in accordance with ArticleArticle 9.6.2 of the LGIA. The power factor requirements specified in Article 9.6.1 shall be as measured at the high-side of the Interconnection Customer’s 230/34.5/12.47 kV transformer (xvi) Install disconnect facilities in accordance with the Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures. (xvii) Acquire the necessary rights-of-way for the Interconnection Customer’s Interconnection Facilities. (xviii) Perform the necessary environmental studies and obtain permits for the Interconnection Customer’s Interconnection Facilities nd perform the environmental activities related to the Participating TO’s Interconnection Facilities as described in the Section 1(b)(viii)(1) of the LGIA.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 66/34.5kV main step-up transformer with a 9.5 7 percent impedance on a 94 12 MVA basebase to serve RE Yakima LLC. (ii) Install the Generation Tiea substation with one (1) 66/34.5 kV main step-Line consisting of up transformer with a 7 percent impedance on a 12 MVA base to serve RE Clearwater LLC. (iii) Install a substation with one (1) 66/34.5kV main step-up transformer with a 7 percent impedance on a 9 MVA base to serve RE Columbia Two, LLC. (iv) Install a substation with one (1) 66/34.5 kV main step-up transformer with a 7 percent impedance on a 27 MVA base to serve RE Columbia LLC. (v) Install a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four7.5 miles 66kV generation tie-hour) rating of 1184 Amps, line from the Large Generating Facility main breaker to a position designated by the Participating TODistribution Provider, outside of the Participating TODistribution Provider’s Coolwater 115kV Windhub Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TODistribution Provider’s specifications (“Last Structure”). This generation tie-line will be referred to as the RE Columbia-Windhub 66kV Line. The right-of-way for the Generation TieRE Columbia-Windhub 66kV Line shall extend up to the edge of the Coolwater 115kV Windhub Substation property line. (Note: The RE Columbia-Windhub 66kV Line name is subject to change by the Distribution Provider based upon its transmission line naming criteria. Should the RE Columbia-Windhub 66kV Line name be changed, this CLGIA may be amended to reflect such change.) (iiivi) Install optical ground wire (“OPGW”) fiber optic cable on the Generation TieRE Columbia-Windhub 66kV Line to provide one of two telecommunication paths required for the line protection scheme and the remote terminal units (“RTUs”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Substation. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection scheme, the Remote Terminal Units (“RTU”) and Special Protection System. A minimum of two sets of eight (8) strands within the single-mode fiber optic cable optics shall be provided for the Participating TODistribution Provider’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversityuse into Windhub Substation. (vvii) Own, operate and maintain both the telecommunication paths path (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Windhub Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TODistribution Provider. An additional diverse telecommunications fiber optic cable along the same route as the primary telecommunications following the RE Columbia- Windhub 66kV line may be needed because the RE Columbia Project has changed locations. Protection and telecommunication requirements will be reassessed during the final engineering and design phase of this RE Columbia Project. The diverse telecommunications fiber optic cable route will comply with the Distribution Provider’s Interconnection Handbook. In the event it is determined through final engineering and design that a diverse telecommunication route is required or that the protection or telecommunication requirements need to be modified, this CLGIA will be amended to include these requirements and modifications and associated cost responsibility to the Interconnection Customer. (viviii) Allow the Participating TO Distribution Provider to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TODistribution Provider’s terminal equipment and protection engineering requirements; allow the Participating TO Distribution Provider to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (viiix) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TODistribution Provider’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viiix) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TODistribution Provider’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ixxi) Extend the OPGW and single-mode fiber-fiber optic communications cable for the two telecommunication paths to an Interconnection Customer provided and installed a patch panel located adjacent to in the Participating TODistribution Provider’s telecommunications terminal equipment rack specified above. (xxii) Install all required CAISOISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO ISO Tariff. (xixiii) Pursuant to Article 7.3 of this LGIA, install a Install revenue metering cabinet and revenue metering equipment (typically, potential voltage and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TODistribution Provider. (xiv) The metering cabinet must be placed at a location that would allow twenty-four hour access for the Distribution Provider’s metering personnel. (xv) Allow the Distribution Provider to install, in the revenue metering cabinet provided by the Interconnection Customer, revenue meters and appurtenant equipment required to meter the retail load at the Generating Facility. (xvi) Install appropriate relay protection to be specified by the Distribution Provider to match the relay protection used by the Distribution Provider at Windhub Substation and at the Generating Facility, in order to protect the RE Columbia- Windhub 66kV Line: 1. In accordance with Article 5.12 One (1) G.E. L90 current differential relay or its appropriate successor 2. One (1) SEL 311L current differential relay or its appropriate successor Under system conditions requiring a trip of this LGIAgeneration project, the trip will occur at the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipmentPoint of Interconnection. (xiixvii) Pursuant to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as specified by the Participating TO. In Install disconnect facilities in accordance with Articlethe Distribution Provider’s Interconnection Handbook to comply with the Distribution Provider’s switching and tagging procedures.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 220/18 kV, 310/248/186 MVA main step-step- up transformer with a 9.5 9.0 percent impedance on a 94 186 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (fourapproximately 0.08 mile 220kV generation tie-hour) rating of 1184 Amps, line from the Large Generating Facility to a dead-end structure position designated by the Participating TO, outside of to connect to the Participating TO’s Coolwater 115kV Santa ▇▇▇▇▇ Substation, via the use of the existing Mandalay-Santa ▇▇▇▇▇ 220 kV Transmission Lines, where the Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line. The right-of-way for the Generation Tie-▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line shall extend up to the edge of the Coolwater 115kV Substation SCE’s property line. (Note: The ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line name is subject to change by the Participating TO based upon its transmission line naming criteria. Should the ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line name be changed, this LGIA may be amended to reflect such change.) (iii) Install optical ground wire (“OPGW”) on the Generation Tie-Line to provide one two paths of two telecommunication paths required for the line protection scheme and the remote terminal units (“RTUs”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Substation. (iv) Install appropriate single-mode fiber fiber-optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation property to provide the second both telecommunication path paths required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (viv) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Substation Santa ▇▇▇▇▇ Substation, Participating TO’s Mandalay telecommunication room and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (viv) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (viivi) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viiivii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ixviii) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (xix) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xix) Pursuant to Article 7.3 of this LGIA, install Install a revenue metering cabinet and revenue metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges The metering cabinet must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xi) Allow the Participating TO to install, in the revenue metering cabinet provided by the Interconnection Customer, revenue meters and appurtenant equipment required to meter the retail load at the Large Generating Facility. (xii) Pursuant Install relay protection to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as be specified by the Participating TO to match the relay protection used by the Participating TO at Santa ▇▇▇▇▇ Substation, in order to protect the ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line, as follows: 1. One (1) G.E. L90 relay and one (1) SEL-311L relay. The make and type of current differential relays will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xiii) Install necessary relays and satellite clock to support the SPS requirements for the Large Generating Facility. In accordance with ArticleThe make and type of SPS relays and satellite clock will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 66/34.5 kV main step-up transformer with a 9.5 an 8 percent impedance on a 94 45 MVA basebase with an X/R of 39. (ii) Install the Generation Tie-Line consisting of a new 2.25 3 mile, 1272 556.5 kcmil ACSR Bittern 115kV transmission line, aluminum conductor steel reinforced (“ACSR”) 66 kV generation tie-line with a normal (continuous) rating of 1184 Amps 525 A and a the emergency (four-hour) rating of 1184 Amps, 525 A from the Large Generating Facility to a position designated by the Participating TODistribution Provider, outside of the Participating TODistribution Provider’s Coolwater 115kV Wilsona Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TODistribution Provider’s specifications (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV Wilsona Substation property line. (iii) Install optical ground wire single mode all-dielectric self-supporting (“OPGWADSS”) fiber optic cable on the Generation Tie-Line to a point designated by the Distribution Provider near the Distribution Provider’s Wilsona Substation provide one of two telecommunication paths required for the line protection scheme and scheme, the remote terminal units (“RTUs”), and one of the two required telecommunication paths required for the RAS. A minimum of eight (8) strands within the OPGW fiber optic shall be provided for the Participating TODistribution Provider’s exclusive use into Coolwater 115kV Wilsona Substation. (iv) Install appropriate single-mode ADSS fiber optic cable from the Large Generating Facility to a point designated by the Participating TO Distribution Provider near the Participating TODistribution Provider’s Coolwater 115kV Wilsona Substation to provide the second telecommunication path required for the line protection schemescheme and the RAS. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TODistribution Provider’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-fiber- optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Wilsona Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TODistribution Provider. (vi) Allow the Participating TO Distribution Provider to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TODistribution Provider’s terminal equipment and protection engineering requirements; allow the Participating TO Distribution Provider to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TODistribution Provider’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIAGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TODistribution Provider’s personnel ability to access twenty-four hours a day the space provided for the Participating TODistribution Provider’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TODistribution Provider’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIAGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TODistribution Provider’s personnel ability to access twenty-four hours a day the space provided for the Participating TODistribution Provider’s telecommunications terminal equipment. (ix) Extend the OPGW main and diverse single-mode fiber-optic cable cables for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TODistribution Provider’s telecommunications terminal equipment specified above. (x) Install all required CAISOISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO ISO Tariff. (xi) Pursuant to Article 7.3 of this LGIAGIA, install a metering cabinet cabinet(s) and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TODistribution Provider. In accordance with Article 5.12 of this LGIAGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TODistribution Provider’s personnel ability to access twenty-twenty- four hours a day the metering cabinet provided for the Participating TODistribution Provider’s metering equipment. (xii) Pursuant to Article 7 7.3 of this LGIAGIA, install a allow the Distribution Provider to install, in the metering cabinet and metering equipment (typicallycabinet(s) provided by the Interconnection Customer, potential and current transformers) at the Large Generating Facility meters required to meter the Large retail load at the Generating Facility Charging Demand, as Facility (xiii) Install relay protection to be specified by the Participating TODistribution Provider to match the relay protection used by the Distribution Provider at Wilsona Substation, in order to protect the Generation Tie-Line, as follows: 1. In accordance Two (2) current differential relays. The make and type of current differential relays will be specified by the Distribution Provider during final engineering of the Distribution Provider’s Interconnection Facilities. (xiv) Install all equipment necessary to comply with Articlethe power factor requirements of Article 9.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 66/12.47 kV main step-up transformer with a 9.5 an 8.0 percent impedance on a 94 10 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four66 kV generation tie-hour) rating of 1184 Amps, line from the Large Small Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Antelope Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the Antelope - Western Antelope Dry Ranch 66 kV Transmission Line. The right-of-way for the Generation Tie-Antelope - Western Antelope Dry Ranch 66 kV Transmission Line shall extend up to the edge of the Coolwater 115kV Antelope Substation property line. (iii) Install a main breaker or ring bus between Antelope Substation and all shared projects on the Antelope - Western Antelope Dry Ranch 66 kV Transmission Line. (iv) Install fiber optical cable (either ADSS or optical ground wire (“OPGW”wire) on the Generation Tie-Antelope - Western Antelope Dry Ranch 66 kV Transmission Line to provide one of two telecommunication paths required for the line protection scheme and the remote terminal units Remote Terminal Unit (“RTUsRTU”). A minimum of eight (8) strands within the OPGW fiber optical cable shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Antelope Substation. (ivv) Install appropriate single-mode fiber fiber-optic cable from cables for the Large Generating Facility diverse telecommunication paths and panels to a point designated terminate the telecommunication fiber- optic cables for both diverse telecommunication paths, as specified by the Participating TO near to match the telecommunication equipment used by the Participating TO’s Coolwater 115kV TO at Antelope Substation and at the Small Generating Facility, in order to provide protect the second telecommunication path required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversityAntelope - Western Antelope Dry Ranch 66 kV Transmission Line. (vvi) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-fiber- optic cables, and appurtenant facilities)) from the Point of Change of Ownership to the Small Generating Facility, with the exception of the terminal equipment at both Coolwater 115kV Substation and at the Large Small Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vivii) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (viiviii) Install one (1) dedicated 125 VDC circuit, one (1) dedicated 115 VAC convenience circuit and required station interface data connections up to the Participating TO’s RTU located at the Small Generating Facility. (ix) Make available adequate space and facilities necessary for the installation of the Participating TO’s RTU. (x) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits sufficient floor space within a secure building having suitable environmental controls for the installation of Participating TO to install and operate one (1) 8- foot high by 19-inch wide communications equipment rack; provide either one (1) 115 VAC dedicated circuit (separate from the RTU) or a 130 VDC dedicated circuit to power the communications equipment rack at the Small Generating Facility site. (xi) Install an optical entrance cable extending the fiber optic cable communications to a patch panel in the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal communications equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment rack specified above. (xxii) Install all required CAISO-approved compliant metering equipment at the Large Small Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xixiii) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and Install revenue metering equipment (typically, potential voltage and current transformerstransformers with an accuracy of 0.3% and 0.15%, respectively; associated cabinetry and wiring) at the Large Small Generating Facility to meter the Large Small Generating Facility retail load, as specified by the Participating TO. (xiv) Provide a metering cabinet and sufficient space for the Participating TO to install its retail metering equipment and related meters. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges Such equipment must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xiixv) Pursuant Allow the Participating TO to Article 7 of this LGIA, install a metering cabinet revenue meters and metering appurtenant equipment (typically, potential and current transformers) at the Large Generating Facility required to meter the Large retail load at the Small Generating Facility Charging Demand, as Facility. (xvi) Install appropriate relay protection for the diverse telecommunication paths. Relay protection to be specified by the Participating TOTO to match the relay protection used by the Participating TO at Antelope Substation and at the Small Generating Facility, in order to protect the Antelope - Western Antelope Dry Ranch 66 kV Transmission Line, as follows: 1. In One (1) G.E. L90 current differential relay with dual dedicated digital communication channels to Antelope Substation. 2. One (1) SEL 311L current differential relay with dual dedicated digital communication channels to Antelope Substation. (xvii) Install disconnect facilities in accordance with Articlethe Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation substation, referred to herein as Wisteria Substation, with one (1) 115/34.5/13.8kV 66/34.5/13.8 kV wye grounded-wye grounded-delta main step-up transformer with a 9.5 9.00 percent impedance on a 94 81 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 1.5 mile, 1272 1590 kcmil ACSR Bittern 115kV AAC 66 kV transmission line, with a normal (continuous) rating of 1184 1360 Amps and a emergency (four-hour) rating of 1184 1728 Amps, from the Large Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Antelope 66 kV Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV Antelope 66 kV Substation property lineline or Participating TO transmission line right-of-way that abuts the substation property line depending on gen-tie routing. (iii) Install optical ground wire single-mode All-Dielectric Self-Supporting (“OPGW”ADSS) fiber optic cable on the Generation Tie-Line to provide one of two the main telecommunication paths required for the line protection scheme and scheme, the remote terminal units (“RTUs”), and the RAS. A minimum of eight (8) strands within the OPGW fiber optic shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Antelope 66 kV Substation. (iv) Install appropriate single-mode ADSS fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Antelope 66 kV Substation to provide the second telecommunication path required for the line protection schemescheme and the RAS. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities)facilities between the Point of Ownership and the Large Generating Facility, with the exception of the terminal equipment at both Coolwater 115kV Antelope 66 kV Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW main and diverse single-mode fiber-optic cable cables for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipment. (xii) Pursuant to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as specified by the Participating TO. In accordance with Article

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV 230/34.5 kV wye grounded-wye grounded-delta ; 168/224/280 MVA main step-up transformer transformers with a 9.5 8.5 percent impedance on a 94 168 MVA base. (ii) Install the one (1) Generation Tie-Line consisting of a new 2.25 mile, 1272 2 miles of 795 kcmil ACSR Bittern 115kV transmission line, with a normal (continuousnormal(“continuous”) rating of 1184 Amps 361 A and a the emergency (“four-hour”) rating of 1184 Amps523 A, from the Large Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV SubstationTrout Canyon Switchyard, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV Substation Trout Canyon Switchyard property line. (iii) Install optical ground wire (“OPGW”) on the Generation Tie-Line from the Generating Facility to a point designated by the Participating TO near Trout Canyon Switchyard, to provide one of the two telecommunication paths required for the line Generation Tie-Line protection scheme and scheme, the remote terminal units (“RTUs”), and one of the two required telecommunication paths required for the RAS1. A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV SubstationTrout Canyon Switchyard. (iv) Install appropriate single-single mode fiber optic cable from the Large Generating Facility to a point designated by the Participating TO GLW near the Participating TO’s Coolwater 115kV Substation Trout Canyon Switchyard to provide the second telecommunication path required for the line Generation Tie-Line protection schemescheme and the RAS. A minimum of eight (8) strands within the single-single mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the meetthe Applicable Reliability Standards criteria for diversity. (v) Own, operate and maintain both telecommunication paths (including OPGW, appurtenant facilitiesand any fiber-fiber optic cables, cables between the Point of Change of Ownership and appurtenant facilitiesthe Generating Facility), with the exception of the terminal equipment at both Coolwater 115kV Substation Trout Canyon Switchyard and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the bythe Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform review the Interconnection Customer’s performance acceptance testing of the fiber optics and telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for controlsfor the installation of the Participating TO’s RTU in accordance with the Participating TO’s Interconnection Handbook. In accordance with Article 5.12 of this the LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Participating TO’s Interconnection Handbook. In accordance with Article 5.12 of this the LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided spaceprovided for the Participating 1 Remedial Action Scheme (RAS): As defined in Appendix A of the CAISO Tariff TO’s telecommunications terminal equipment. (ix) Extend Install the OPGW main and single-mode fiber-diverse fiber optic cable cables for the two telecommunication paths to an Interconnection Customer provided and installed patch panel panels located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIAthe GIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIAthe GIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipment. (xii) Pursuant to Article 7 of this LGIAthe GIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as specified by the Participating TO. In accordance with Article 5.12 of the GIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipment. (xiii) Pursuant to Article 7.3 of the GIA, allow the Participating TO to install, in the metering cabinet provided by the Interconnection Customer, meters required to meter the retail load at the Generating Facility. (xiv) Pursuant to Article 7 of the GIA, allow the Participating TO to install, in the metering cabinet provided by the Interconnection Customer, meters required to meter the Charging Demand at the Generating Facility. (xv) Install relay protection to be specified by the Participating TO to match the relay protectionused by the Participating TO at Trout Canyon Switchyard, in order to protect the new Generation Tie-Lie. (xvi) Install necessary relays and satellite clock to support the RAS requirements for the Generating Facility. The make and type of RAS relays and satellite clock will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xvii) Install all equipment necessary to comply with the power factor requirements of Article 9.6.2 of the GIA, including the ability to regulate the power factor to maintain a voltage schedule (VAR schedule) in accordance with Article 9.6.2 of the GIA. The power factor requirements specified in Article 9.6.1 shall be as measured at the high- side of the Interconnection Customer’s 230kV/34.5kV Substation. (xviii) Install disconnect facilities in accordance with the Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures. (xix) Acquire the necessary rights-of-way for the Interconnection Customer’s Interconnection Facilities. (xx) Perform the necessary environmental studies and obtain permits for the Interconnection Customer’s Interconnection Facilities. On an as needed basis, perform the environmental activities related to the Participating TO’s Interconnection Facilities as applicable and needed to interconnect the Generating Facility. (xxi) Submit to the Participating TO and the CAISO, as part of the “as-built” drawings, information and documents required pursuant to Article

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 66/12.47 kV main step-up transformer with a 9.5 an 8.0 percent impedance on a 94 20 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four1.0 mile 66 kV generation tie-hour) rating of 1184 Amps, line from the Large Small Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Antelope Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the Antelope – Western Antelope Dry Ranch 66 kV Transmission Line. The right-of-way for the Generation Tie-Antelope – Western Antelope Dry Ranch 66 kV Transmission Line shall extend up to the edge of the Coolwater 115kV Antelope Substation property line. (iii) Install a main breaker or ring bus between Antelope Substation and all shared projects on the Antelope - Western Antelope Dry Ranch 66 kV Transmission Line. (iv) Install fiber optic cable (either ADSS or optical ground wire (“OPGW”wire) on the Generation Tie-Antelope – Western Antelope Dry Ranch 66 kV Transmission Line to provide one of two telecommunication paths required for the line protection scheme and scheme, the remote terminal units Remote Terminal Units (“RTUsRTU”). A minimum , and one of eight (8) strands within the OPGW shall be provided two required telecommunication paths required for the Participating TO’s exclusive use into Coolwater 115kV SubstationSPS. (ivv) Install appropriate single-mode fiber fiber-optic cable from cables for the Large Generating Facility diverse telecommunication paths and panels to a point designated terminate the telecommunication fiber- optic cables for both diverse telecommunication paths, as specified by the Participating TO near to match the telecommunication equipment used by the Participating TO’s Coolwater 115kV TO at Antelope Substation and at the Small Generating Facility, in order to provide protect the second telecommunication path required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversityAntelope – Western Antelope Dry Ranch 66 kV Transmission Line. (vvi) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-fiber- optic cables, and appurtenant facilities), from the Point of Change of Ownership to the Small Generating Facility, with the exception of the terminal equipment at both Coolwater 115kV Antelope Substation and at the Large Small Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vivii) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (viiviii) Install one (1) dedicated 125 VDC circuit, one (1) dedicated 115 VAC convenience circuit and required station interface data connections up to the Participating TO’s RTU located at the Small Generating Facility. (ix) Make available adequate space and facilities necessary for the installation of the Participating TO’s RTU. (x) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits sufficient floor space within a secure building having suitable environmental controls for the installation of Participating TO to install and operate one (1) 8- foot high by 19-inch wide communications equipment rack; provide either one (1) 115 VAC dedicated circuit (separate from the RTU) or a 130 VDC dedicated circuit to power the communications equipment rack at the Small Generating Facility site. (xi) Install an optical entrance cable extending the ADSS fiber optic cable communications to a patch panel in the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal communications equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment rack specified above. (xxii) Install all required CAISO-approved compliant metering equipment at the Large Small Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xixiii) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and Install revenue metering equipment (typically, potential voltage and current transformerstransformers with an accuracy of 0.3% and 0.15%, respectively; associated cabinetry and wiring) at the Large Small Generating Facility to meter the Large Small Generating Facility retail load, as specified by the Participating TO. (xiv) Provide a metering cabinet and sufficient space for the Participating TO to install its retail metering equipment and related meters. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges Such equipment must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xiixv) Pursuant Allow the Participating TO to Article 7 of this LGIA, install a revenue meters and metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility required to meter the Large retail load at the Small Generating Facility Charging Demand, as Facility. (xvi) Install appropriate relay protection for the diverse telecommunication paths. Relay protection to be specified by the Participating TOTO to match the relay protection used by the Participating TO at Antelope Substation and at the Small Generating Facility, in order to protect the Antelope – Western Antelope Dry Ranch 66 kV Transmission Line, as follows: 1. In One (1) G.E. L90 current differential relay with dual dedicated digital communication channels to Antelope Substation. 2. One (1) SEL 311L current differential relay with dual dedicated digital communication channels to Antelope Substation. (xvii) Install disconnect facilities in accordance with Articlethe Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall:shall - (i) Install i. Construct a substation new or utilize existing, approximately 10 mile, 220kV double circuit tower line with one (1) 115/34.5/13.8kV wye groundedgeneration tie-wye grounded-delta main step-up transformer with a 9.5 percent impedance on a 94 MVA base. (ii) Install line circuit comprised of 2B-1272 kcmil Bittern conductor for the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, from the Large Generating Facility Dracker Project to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Colorado River Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line circuit will be called the Colorado River- Dracker 220kV Transmission Line. The right-of-way for the Generation Tie-Colorado River- Dracker 220kV Transmission Line shall extend up to the edge of the Coolwater 115kV Colorado River Substation property line. (iii) ii. Install optical ground wire (“OPGW”) on the Generation TieColorado River-Dracker 220kV Transmission Line to provide one of the two telecommunication paths required for the line protection scheme scheme, the Remote Terminal Unit (“RTU”), and the remote terminal units Special Protection System (“RTUsSPS”). A significant portion of the existing OPGW previously installed for the generating facility having CAISO Queue #193 (▇▇▇▇▇ Station) will be shared with the Dracker Project to meet these requirements. ▇▇▇▇▇ Station and the Dracker Project shall each provide a minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Colorado River Substation. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection schemeiii. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, signals and make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. iv. In accordance with Article 5.12 of this LGIA, Install an appropriate single-mode fiber optic cable from a point outside Colorado River Substation (as designated by the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability ) to access twentythe Generating Facility to provide the second diverse telecommunications path required for the line protection scheme and the SPS. A significant portion of the existing single-four hours mode fiber optic cable previously installed for the generating facility having CAISO Queue #193 (▇▇▇▇▇ Station) will be shared with the Dracker Project to meet these requirements. ▇▇▇▇▇ Station and the Dracker Project shall each provide a day minimum of eight (8) strands within the space provided single-mode fiber optic cable for the Participating TO’s exclusive use. The telecommunications terminal equipmentpath shall meet the Applicable Reliability Standards criteria for diversity. v. Own, operate and maintain both telecommunications paths (ix) including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Colorado River Substation and at the Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. vi. Extend the OPGW and single-mode fiber-fiber optic cable for the two telecommunication telecommunications paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install vii. Allow Participating TO to review Interconnection Customer’s telecommunications equipment design and perform inspections to ensure compatibility with Participating TO’s terminal equipment and protection engineering requirements. viii. Allow Participating TO to perform acceptance testing of Interconnection Customer’s telecommunications equipment and give the Participating TO the right to request and/or to perform correction of installation deficiencies as determined by the Participating TO. ix. Install, sequentially as needed, all required CAISO-CAISO approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (▇. ▇▇▇▇▇ Participating TO an easement that will provide unrestricted access to Participating TO’s Interconnection Facilities located on the Interconnection Customer’s side of the Point of Change of Ownership for construction, operation, and maintenance. xi. Install a revenue metering cabinet(s) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and all required revenue metering equipment (typically, potential voltage and current transformers) at the Large Generating Facility to meter the Large Generating Facility Facility’s retail load, as specified by the Participating TOSCE. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges The metering cabinet(s) must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day hour access for the Participating TO metering cabinet personnel. xii. Allow the Participating TO to install, in the revenue metering cabinet(s) provided for by the Interconnection Customer, revenue meters and appurtenant equipment required to meter the Generating Facility’s retail load. xiii. Install the following Colorado River Dracker 220kV Transmission Line protection at the Generating Facility as specified by SCE and provided by the Interconnection Customer: (a) Two (2) current differential relays via diversely routed dedicated digital communication channels to Colorado River Substation. The make and type of current differential relays will be specified by the Participating TO during final engineering of the Participating TO’s metering equipmentInterconnection Facilities. xiv. Install necessary relays and satellite synchronized clock to support the SPS requirements for the Generating Facility: (xiia) Pursuant Two(2) N60 relays (one each for SPS A and B) to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at trip the Large Generating Facility to meter under the Large ▇▇▇▇▇▇ RAS (the actual number of relays may increase depending on the actual Generating Facility Charging Demand, as specified by configuration and final SPS design); and (b) Two(2) N60 relays (one each for SPS A and B) to trip the Generating Facility under the Colorado River Corridor SPS (the actual number of relays may increase depending on the actual Generating Facility configuration and final SPS design) xv. Install disconnect facilities in accordance with the Participating TO. In accordance ’s Interconnection Handbook to comply with Articlethe Participating TO’s switching and tagging procedures.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye groundednew 220 kV generation tie-wye grounded-delta main step-up transformer with a 9.5 percent impedance on a 94 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, line from the Large Generating Facility to a position designated by the Participating TO, last structure outside of the Participating TO’s Coolwater 115kV Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”)Whirlwind Substation property line. The Interconnection Customer’s generation tie-line right-of-way for the Generation Tie-Line shall should extend up to the edge of the Coolwater 115kV Whirlwind Substation property line. This generation tie-line line will be called AV Solar One-Whirlwind 220kV Transmission Line. (iiiii) Install optical ground wire (“OPGW”) on the Generation TieAV Solar One-Whirlwind 220kV Transmission Line to provide one of the two telecommunication paths required for to support the line protection scheme and the remote terminal units Remote Terminal Unit (“RTUsRTU”). A minimum The Interconnection Customer will provide approximately 1,000 feet of optical fiber cable to extend OPGW from the last transmission structure owned by the Interconnection Customer outside of the Whirlwind Substation fence into the communication room at Whirlwind Substation. Participating TO’s utility operations shall have exclusive use of eight (8) strands within the OPGW shall be provided and more than eight strands with the prior written consent of AV Solar. (iii) Make available adequate space and facilities necessary for the installation of the Participating TO’s exclusive use into Coolwater 115kV SubstationRTU and telecommunication panel to be located at the Generating Facility. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection scheme1. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits sufficient floor space within a secure building having suitable environmental controls for Participating TO to install and operate one 8’ high x19” wide communication equipment rack. This rack will be provided with two dedicated 10-amp branch circuits from the installation of station light and power 125 VDC system. 2. Provide and bring to the RTU one (1) dedicated 125VDC circuit, one (1) dedicated 115VAC convenient circuit and all station interface wiring. 3. Provide and install the optical entrance cable from the OPGW to a patch panel in the Participating TO’s RTU in accordance with communications rack at the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTULarge Generating Facility. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (xiv) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, Facility in accordance with Section 10 of the CAISO Tariff. (xiv) Pursuant to Article 7.3 Install all Participating TO-required metering equipment (voltage transformers with an accuracy of this LGIA, install .3% and current transformers with an accuracy of .15%) which will be used for retail metering at the Generating Facility. (vi) Install a metering cabinet and metering equipment to house the retail meters in a location that provides Participating TO 24-hour access. (typically, potential and current transformersvii) Install 220kV line protection at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance This is expected to include the following: 1. One G.E. L90 current differential relay with Article 5.12 of this LGIA, dual dedicated digital communication channels to the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the metering cabinet provided for the Participating TO’s metering equipmentWhirlwind Substation. 2. One SEL 311L current differential relay with dedicated digital communication channel to the Whirlwind Substation that is diverse from the L90 communication channel. 3. One (xii1) Pursuant to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as specified by the Participating TO. In accordance with ArticleSEL-2407 satellite synchronized clock.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye groundednew 220 kV generation tie-wye grounded-delta main step-up transformer with a 9.5 percent impedance on a 94 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, line from the Large Generating Facility to a position designated by the Participating TOInterconnection Customer’s first transmission structure located outside of, outside of and nearest to, the Participating TO’s Coolwater 115kV Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications Ivanpah Substation right-of-way property line (“Last Structure”). This line will be referred to in this LGIA as the “Ivanpah-Stateline 220 kV Transmission Line.” The right-of-way for the Generation TieIvanpah-Stateline 220 kV Transmission Line shall extend up to the edge of the Coolwater 115kV Substation SCE right-of-way property lineline located outside of the Ivanpah Substation. (iiiii) Install Equip the Ivanpah-Stateline 220 kV Transmission Line with optical ground wire (“OPGW”) on the Generation Tie-Line to provide one of the two telecommunication paths required for the line protection scheme and the remote terminal units Special Protection System (“RTUsSPS”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Ivanpah Substation. (iii) Install one dedicated 125 VDC circuit, one dedicated 115 VAC convenience circuit and required station interface data connections up to the Participating TO’s remote terminal unit (“RTU”) located at the Generating Facility. (iv) Install appropriate single-mode fiber optic cable from Make available adequate space and facilities necessary for the Large Generating Facility to a point designated by the Participating TO near installation of the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversityRTU. (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits sufficient floor space within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability TO to access twentyinstall and operate one 8- foot high by 19-four hours a day the space provided inch wide communications equipment rack for the Participating TO’s RTU, Ivanpah-Stateline 220 kV Transmission Line protection, and SPS. Provide either one 115 VAC dedicated circuit (separate from the RTU) or 130125 VDC dedicated circuit to power the communications equipment rack at the site. (viiivi) Make available adequate space, facilities, and associated dedicated electrical circuits within Install an optical entrance cable extending the OPGW to a secure building having suitable environmental controls for the installation of patch panel in the Participating TO’s telecommunications terminal communications equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment rack specified above. (xvii) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, Facility in accordance with Section 10 of the CAISO Tariff. (xiviii) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and Install all required revenue metering equipment (typicallye.g., potential voltage and current transformers) at the Large Generating Facility Interconnection Customer’s end of the Ivanpah- Stateline 220 kV Line to meter the Large Generating Facility retail load, load as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, . (ix) Allow the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability TO to access twenty-four hours install a day the revenue metering cabinet provided and revenue meters required to meter the retail load at the Generating Facility. (x) Install approximately 1.7 miles of new all dielectric self-supported (“ADSS”)underground fiber-optic cable from the ADSS fiber optic Point of Change of Ownership to the Generating Facility to meet the diverse routing requirements for the Participating TO’s metering equipmentIvanpah-Stateline 220 kV Line protection and the SPS relays (xi) Obtain BLM Right of Way grant, obtain licensing and permits, and perform all required environmental activities for the installation of 1.7 miles of telecommunication route. (xii) Pursuant ObtainSupport the Participating TO in obtaining a BLM grant of Right of Way which provides the Participating TOfor unrestricted access to Article 7 the Participating TO’s Interconnection Facilities located on the Interconnection Customer’s side of this LGIAthe Point of Change of Ownership for construction, install a metering cabinet operation, and metering equipment maintenance. (typically, potential xiii) Install the following 220 kV line protection and current transformers) SPS relays at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as specified by the Participating TO. In accordance : A. One (1) G.E. L90 current differential relay with Articledual dedicated digital communication channels to Ivanpah Substation. B. One (1) SEL 311L current differential relay with dual dedicated digital communication channels to Ivanpah Substation. C. Two (2) G.E. N60 relays (one for theeach SPS) to trip the main generator breaker. D. One (1) SEL-2407 satellite synchronized clock.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 230/34.5 kV main step-up transformer with a 9.5 9 percent impedance on a 94 160 MVA basebase (“Twinkle” Substation). (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal one (continuous1) rating of 1184 Amps and a emergency mile 220 kV 795 Aluminum Conductor Steel Reinforced (four“ACSR”) generation tie-hour) rating of 1184 Amps, line from the Large Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV ▇▇▇▇▇▇ Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the ▇▇▇▇▇▇-Twinkle 220 kV Transmission Line. The right-of-way for the Generation Tie-▇▇▇▇▇▇-Twinkle 220 kV Transmission Line shall extend up to the edge of the Coolwater 115kV ▇▇▇▇▇▇ Substation property line. The normal (continuous) rating and the emergency (four hour) rating of the Interconnection Customer’s 220 kV equipment that is part of the ▇▇▇▇▇▇- Twinkle Transmission Line shall be 907A. (Note: The ▇▇▇▇▇▇-Twinkle 220 kV Transmission Line name is subject to change by the Participating TO based upon its transmission line naming criteria. Should the ▇▇▇▇▇▇-Twinkle 220 kV Transmission Line name be changed, this LGIA may be amended to reflect such change.) (iii) Install optical ground wire (“OPGW”) on the Generation Tie-▇▇▇▇▇▇-Twinkle 220 kV Transmission Line to a point designated by the Participating TO near the Participating TO’s ▇▇▇▇▇▇ Substation to provide one of two telecommunication paths required for the line protection scheme and scheme, the remote terminal units (“RTUs”), and one of the two required telecommunication paths required for the RAS. A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV ▇▇▇▇▇▇ Substation. (iv) Install appropriate singleAll Dielectric Self-mode fiber Supporting (“ADSS”) fiber-optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV ▇▇▇▇▇▇ Substation to provide the second telecommunication path required for the line protection schemescheme and the RAS. A minimum of eight (8) strands within the single-mode ADSS fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV ▇▇▇▇▇▇ Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, The space provided for the Interconnection Customer acknowledges RTU must be at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the space provided hour access for the Participating TO’s RTUpersonnel. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the The space provided for the Participating TO’s telecommunications terminal equipmentequipment must be placed at a location that would allow twenty-four hour access for the Participating TO’s personnel. (ix) Extend the OPGW and single-mode ADSS fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install Install a revenue metering cabinet and revenue metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges The metering cabinet must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xii) Pursuant Allow the Participating TO to Article 7 of this LGIAinstall, install a in the revenue metering cabinet provided by the Interconnection Customer, revenue meters and metering appurtenant equipment (typically, potential and current transformers) required to meter the retail load at the Large Generating Facility Facility. (xiii) Install relay protection to meter the Large Generating Facility Charging Demand, as be specified by the Participating TO to match the relay protection used by the Participating TO at ▇▇▇▇▇▇ Substation, in order to protect the ▇▇▇▇▇▇ – Twinkle 220 kV Transmission Line, as follows: Two (2) line current differential relays connected via diversely routed dedicated digital communication channels to ▇▇▇▇▇▇ Substation. The make and type of current differential relays will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xiv) Install necessary relays and satellite clock to support the RAS requirements for the Large Generating Facility. In The make and type of RAS relays and satellite clock will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xv) Install disconnect facilities in accordance with Articlethe Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures. (xvi) Install all equipment necessary to comply with the power factor requirements of Article 9.6.1 and the voltage schedule requirements of Article 9.6.2 of the LGIA. (xvii) Acquire the necessary right-of-way for the Interconnection Customer’s Interconnection Facilities. (xviii) Perform the necessary environmental studies and obtain permits for the Interconnection Customer’s Interconnection Facilities. Also, see Section 1(b)(v) and 2(b)(i)6 of this Attachment 1 for additional Interconnection Customer requirements with respect to environmental activities associated with the Participating TO’s Interconnection Facilities, Distribution Upgrades and Network Upgrades. (xix) Install a control system as described in Appendix C, Section 1 to limit generator output as measured at the high-side of the main transformer bank to not exceed 200.13 MW.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one two (12) 115/34.5/13.8kV wye grounded-wye grounded-delta 230/34.5/13.8 kV main step-up transformer transformers with a 9.5 8.5 percent impedance on a 94 135 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 0.5 mile, 1272 2B-1272 kcmil ACSR Bittern 115kV aluminum conductor steel reinforced (“ACSR”) overhead conductor 220 kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, line from the Large Generating Facility to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV ▇▇▇▇▇▇ Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV ▇▇▇▇▇▇ Substation property line. (iii) The normal (continuous) rating of the Interconnection Customer’s 220 kV equipment that is part of the Generation Tie-Line is 2,368 Amps and the emergency (four-hour) rating is 2,842 Amps. (iv) Install optical ground wire (“OPGW”) on the Generation Tie-Line to a point designated by the Participating TO near the Participating TO’s ▇▇▇▇▇▇ Substation to provide one the main telecommunication path of two telecommunication paths required for the line protection scheme and scheme, the remote terminal units unit (“RTUsRTU”), and one of the two required telecommunication paths required for the RAS. A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV ▇▇▇▇▇▇ Substation. (ivv) Install appropriate single-mode all-dielectric self-supporting (“ADSS”) fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV ▇▇▇▇▇▇ Substation to provide the second telecommunication path required for the line protection schemescheme and the RAS. A minimum of eight (8) strands within the single-mode ADSS fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (vvi) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV ▇▇▇▇▇▇ Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vivii) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (viiviii) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include grant Participating TO’s personnel ability to access twenty-four (24) hours a day access to the space provided for the Participating TO’s RTU. (viiiix) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include grant Participating TO’s personnel ability to access twenty-four (24) hours a day access to the space provided for the Participating TO’s telecommunications terminal equipment. (ixx) Extend the OPGW and single-mode ADSS fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (xxi) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xixii) Pursuant to Article 7.3 of this LGIA, install a metering cabinet cabinet(s) and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include grant Participating TO’s personnel ability to access twenty-four (24) hours a day access to the metering cabinet cabinet(s) provided for the Participating TO’s metering equipment. (xiixiii) Pursuant to Article 7 7.1 of this LGIA, install a metering cabinet cabinet(s) and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demandwholesale charging demand, as specified by the Participating TO. In accordance with ArticleArticle 5.12 of the LGIA, the Interconnection Customer acknowledges that the access required under such section will grant Participating TO’s personnel twenty-four (24) hours a day access to the metering cabinet(s) provided for the Participating TO’s metering equipment. (xiv) Pursuant to Article 7.3 of this LGIA, allow the Participating TO to install, in the metering cabinet(s) provided by the Interconnection Customer, meters required to meter the retail load at the Large Generating Facility. (xv) Pursuant to Article 7.1 of this LGIA, allow the Participating TO to install, in the metering cabinet(s) provided by the Interconnection Customer, meters required to meter wholesale charging demand at the Large Generating Facility. (xvi) Install relay protection specified by the Participating TO to protect the Generation Tie-Line, as follows: 1. Two (2) current differential relays. The make and type of current differential relays will be specified by the Participating TO during detailed engineering of the Participating TO’s Interconnection Facilities. (xvii) Install necessary relays and satellite clock to support the RAS requirements for the Large Generating Facility. The make and type of RAS relays and satellite clock will be specified by the Participating TO during detailed engineering of the Participating TO’s Interconnection Facilities. (xviii) Install all equipment necessary to comply with the power factor requirements of Article 9. 6.1 of the LGIA, including the ability to regulate the power factor to maintain a voltage schedule (VAR schedule) in accordance with Article 9.6.2 of the LGIA. The power factor requirements specified in Article 9.6.1 shall be as measured at the high-side of the Interconnection Customer’s substation 230 kV/34.5 kV main step-up transformer. (xix) Install disconnect facilities in accordance with the Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures. (xx) Install, own, operate and maintain a control limiting device or, alternatively, by means of configuring the Large Generating Facility’s control system to restrict the maximum output of the Large Generating Facility in accordance with Appendix C Section 1 of this LGIA. (xxi) Acquire the necessary rights-of-way for the Interconnection Customer’s Interconnection Facilities. (xxii) Perform the necessary environmental studies and obtain permits for the Interconnection Customer’s Interconnection Facilities and perform the necessary environmental activities related to the Participating TO’s Interconnection Facilities as described in Appendix A Section 1(b)(viii)(a)-

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 66/34.5kV 60/80/100 MVA main step-up transformer with a 9.5 7.0 percent H-X impedance on a 94 30 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 approximately 0.5 miles long 66kV generation tie-line composed of 1113 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, conductor from the Large Generating Facility Interconnection Customer-owned Portal Ridge (Q342) Project Substation, referred to as Goldfinger Substation, to a position designated by the Participating TO, Distribution Provider outside of the Participating TODistribution Provider’s Coolwater 115kV SubstationDel Sur Substation property line, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the Goldfinger – Del Sur 66kV Generation Line or the “Gen-Tie Line”. The right-of-way for the Generation TieGen-Tie Line shall extend up to the edge of the Coolwater 115kV Del Sur Substation property line. (iii) Install optical ground wire (“OPGW”) on The Gen-Tie Line will include single-mode fiber-optic cable between the Generation Tie-Line to provide one of two telecommunication paths required for the line protection scheme Generating Facility and the remote terminal units (“RTUs”)Point of Change of Ownership near the property line of the Distribution Provider’s Del Sur Substation. A minimum of eight (8) strands within the OPGW shall be provided for the Participating TODistribution Provider’s exclusive use into Coolwater 115kV Substationuse. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity (v) Own, operate and maintain both the telecommunication paths path (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Distribution Provider’s Del Sur Substation and at the Large Generating FacilityFacility and any fiber optics installed within Del Sur Substation, which terminal equipment and fiber optics installed within Del Sur Substation will be installed, owned, operated and maintained by the Participating TODistribution Provider. (viv) Allow the Participating TO Distribution Provider to review the Interconnection Customer’s telecommunication equipment design and perform inspections inspection(s) to ensure compatibility with the Participating TODistribution Provider’s terminal equipment and protection engineering requirements; allow the Participating TO Distribution Provider to perform acceptance testing of the telecommunication equipment and give the Distribution Provider the right to request and/or to perform require correction of installation deficiencies. (vi) Install one (1) dedicated 125 VDC circuit, one (1) dedicated 115 VAC convenience circuit and required station interface data connections up to the Distribution Provider’s Remote Terminal Unit (“RTU”) located at the Generating Facility. (vii) Provide required data signals, make Make available adequate space, facilities, space and facilities necessary for the installation of the Distribution Provider’s RTU and associated dedicated electrical circuits equipment rack or cabinet. (viii) Provide sufficient floor space within a secure building having suitable environmental controls for the installation of Distribution Provider to install and operate one (1) 8-foot high by 19-inch wide communications equipment rack supporting the Participating TO’s RTU in accordance with required communications channels; provide either one (1) 115 VAC dedicated circuit (separate from the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, RTU) or a 130 VDC dedicated circuit to power the Interconnection Customer acknowledges that communications equipment rack at the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipmentGenerating Facility site. (ix) Extend Install an optical entrance cable extending the OPGW and single-mode fiber-optic cable for the two telecommunication paths fiber optics communications to an Interconnection Customer provided and installed a patch panel located adjacent to in the Participating TODistribution Provider’s telecommunications terminal communications equipment rack specified above. (x) Install all required CAISOISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO ISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and Install all required revenue metering equipment (typically, potential voltage and current transformerstransformers and metering cabinet) at the Large Generating Facility Interconnection Customer’s end of the Goldfinger – Del Sur 66kV Generation Line to meter the Large Generating Facility retail load, as specified by the Participating TODistribution Provider’s Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges Such cabinet must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TODistribution Provider’s metering equipmentpersonnel. (xii) Pursuant Provide sufficient space for the Distribution Provider to Article 7 of this LGIAinstall its retail metering, equipment and related meters. (xiii) Allow the Distribution Provider to install a metering cabinet revenue meters and metering appurtenant equipment (typically, potential and current transformers) at the Large Generating Facility required to meter the Large retail load at the Generating Facility. (xiv) Install disconnect facilities in accordance with the Distribution Provider’s Interconnection Handbook to comply with the Distribution Provider’s switching and tagging procedures. (xv) Install the following protection relays for the Goldfinger – Del Sur 66kV Generation Line at the Generating Facility Charging Demandsite: 1. One (1) G.E. D60 or GE L90 relay, as specified by depending on final engineering 2. One (1) SEL 311C or SEL311L relay, depending on final engineering (xvi) Provide the Participating TO. In accordance with ArticleDistribution Provider unrestricted access to the Distribution Provider’s Interconnection Facilities located on the Interconnection Customer’s side of the Point of Change of Ownership for construction, operation, and maintenance.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation new customer-owned substation, referred to as Desert Flower for operating purposes, at the Generating Facility with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 66/88/110 MVA 230/34.5 kV main step-up transformer bank with a 9.5 percent H-X impedance of 9% on a 94 66 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 approximate 4.5 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, 220 kV generation tie line from the Large Generating Facility Willow Springs 2 Project site to a position designated by the Participating TO, outside of the Participating TO’s Coolwater 115kV Substation, Whirlwind Substation where the Interconnection Customer shall will install a structure to be designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”) outside the Participating TO’s Whirlwind Substation property line. Note that this gen-tie is proposed to be shared with another project (referred to herein as the CAISO Queue #643R Project). The generation tie-line will be comprised of 795ACSR conductor. For purposes of this agreement, the generation tie-line will be referred to as the Desert Flower-Whirlwind 220 kV Transmission Line. The right-of-of- way for the Generation TieDesert Flower-Whirlwind 220 kV Transmission Line shall extend up to the edge of the Coolwater 115kV Whirlwind Substation property lineproperty. (iii) Install optical ground wire Optical Ground Wire (“OPGW”) on the Generation TieDesert Flower-Whirlwind 220 kV Transmission Line to provide one of two telecommunication paths required for the to support line protection scheme protection, Special Protection System, and the remote terminal units Remote Terminal Unit (“RTUsRTU”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Whirlwind Substation. (iv) Install appropriate single-mode fiber fiber-optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Whirlwind Substation to provide the second telecommunication path required for the line protection schemescheme and the SPS. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (v) Own, operate and maintain both the telecommunication paths up to the respective Point of Change of Ownership (including OPGW, any fiber-fiber optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Whirlwind Substation and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (vi) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (vii) Provide required data signals, make Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU RTU, and provide required data signals in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (x) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xi) Pursuant to Article 7.3 of this LGIA, install a metering cabinet and Install revenue metering equipment (typically, potential voltage and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. (xii) Install retail metering cabinet for the Participating TO to install its retail meters and appurtenant equipment. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges Such cabinet must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xiixiii) Pursuant Allow the Participating TO to Article 7 of this LGIA, install a metering cabinet revenue meters and metering appurtenant equipment required to meter the retail load at the Generating Facility. (typically, potential xiv) Install appropriate relay protection for the diverse telecommunication paths and current transformers) SPS. Relay protection to be specified by the Participating TO to match the relay protection used by the Participating TO at Whirlwind Substation and at the Large Generating Facility Facility, in order to meter protect the Large Generating Facility Charging Demand, Desert Flower Whirlwind 220 kV Transmission Line. Such facilities are as follows: 1. One (1) G.E. L90 current differential relay or a successor specified by the Participating TOTO with dual dedicated digital communication channels to Whirlwind Substation. 2. In One (1) SEL 311L current differential relay or a successor specified by the Participating TO with dual dedicated digital communication channels to Whirlwind Substation. 3. Two GE N60 relays and satellite clock. (xv) Install disconnect facilities in accordance with Articlethe Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a substation with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 220/18 kV, 310/248/186 MVA main step-step- up transformer with a 9.5 9.0 percent impedance on a 94 186 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (fourapproximately 0.08 mile 220kV generation tie-hour) rating of 1184 Amps, line from the Large Generating Facility to a dead-end structure position designated by the Participating TO, outside of to connect to the Participating TO’s Coolwater 115kV Santa ▇▇▇▇▇ Substation, via the use of the existing Mandalay-Santa ▇▇▇▇▇ 220 kV Transmission Lines, where the Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications (“Last Structure”). This generation tie-line will be referred to as the ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line. The right-of-way for the Generation Tie-▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line shall extend up to the edge of the Coolwater 115kV Substation SCE’s property line. (Note: The ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line name is subject to change by the Participating TO based upon its transmission line naming criteria. Should the ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line name be changed, this LGIA may be amended to reflect such change.) (iii) Install optical ground wire (“OPGW”) on the Generation Tie-Line to provide one two paths of two telecommunication paths required for the line protection scheme and the remote terminal units (“RTUs”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Substation. (iv) Install appropriate single-mode fiber fiber-optic cable from the Large Generating Facility to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation property to provide the second both telecommunication path paths required for the line protection scheme. A minimum of eight (8) strands within the single-mode fiber optic cable shall be provided for the Participating TO’s exclusive use. The telecommunication path shall meet the Applicable Reliability Standards criteria for diversity. (viv) Own, operate and maintain both telecommunication paths (including OPGW, any fiber-optic cables, and appurtenant facilities), with the exception of the terminal equipment at both Coolwater 115kV Substation Santa ▇▇▇▇▇ Substation, Participating TO’s Mandalay telecommunication room and at the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO. (viv) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform correction of installation deficiencies. (viivi) Provide required data signals, make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viiivii) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s telecommunications terminal equipment. (ixviii) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (xix) Install all required CAISO-approved compliant metering equipment at the Large Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xix) Pursuant to Article 7.3 of this LGIA, install Install a revenue metering cabinet and revenue metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges The metering cabinet must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xi) Allow the Participating TO to install, in the revenue metering cabinet provided by the Interconnection Customer, revenue meters and appurtenant equipment required to meter the retail load at the Large Generating Facility. (xii) Pursuant Install relay protection to Article 7 of this LGIA, install a metering cabinet and metering equipment (typically, potential and current transformers) at the Large Generating Facility to meter the Large Generating Facility Charging Demand, as be specified by the Participating TO to match the relay protection used by the Participating TO at Santa ▇▇▇▇▇ Substation, in order to protect the ▇▇▇▇▇▇-Santa ▇▇▇▇▇ 220 kV Transmission Line, as follows: 1. One (1) G.E. L90 relay and one (1) SEL-311L relay. The make and type of current differential relays will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xiii) Install necessary relays and satellite clock to support the SPS requirements for the Large Generating Facility. In The make and type of SPS relays and satellite clock will be specified by the Participating TO during final engineering of the Participating TO’s Interconnection Facilities. (xiv) Install disconnect facilities in accordance with Articlethe Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures. (xv) Install an automatic generator control scheme or implement a plant controller to ensure the maximum output shall not exceed 262.58 MW (net) as measured at the high side of the main transformer banks in order to not exceed the maximum requested 262 MW delivery amount at the POI.

Interconnection Customer’s Interconnection Facilities. The Interconnection Customer shall: (i) Install a customer owned substation (“▇▇▇ Substation”) with one (1) 115/34.5/13.8kV wye grounded-wye grounded-delta 15/20/25 MVA 230/34.5kV main step-up transformer bank with a 9.5 9 percent H-X impedance on a 94 15 MVA base. (ii) Install the Generation Tie-Line consisting of a new 2.25 mile, 1272 kcmil ACSR Bittern 115kV transmission line, with a normal (continuous) rating of 1184 Amps and a emergency (four-hour) rating of 1184 Amps, Acquire rights from the Large Generating Facility interconnection customer for the TOT345 (Q412) Project to a position designated interconnect to and use the already installed and in-service Solar Ranch – Whirlwind 220 kV Transmission Line to the last structure owned by the Participating TO, interconnection customer for the TOT354 (Q412) Project located outside of the Participating TO’s Coolwater 115kV Substation, where Interconnection Customer shall install a structure designed and engineered in accordance with the Participating TO’s specifications Whirlwind Substation property line (“Last Structure”). The right-of-way for the Generation Tie-Line shall extend up to the edge of the Coolwater 115kV Substation property line. (iii) Install Acquire rights to use the already installed optical ground wire (“OPGW”) on the Generation Tie-Line Solar Ranch – Whirlwind 220 kV Transmission Line, specified in the AV Solar Ranch One LGIA, to provide one of two telecommunication paths required for the line protection scheme scheme, special protection system, and the remote terminal units SCADA Remote Terminal Units (“RTUsRTU”). A minimum of eight (8) strands within the OPGW shall be provided for the Participating TO’s exclusive use into Coolwater 115kV Substation. (iv) Install appropriate single-mode fiber optic cable from the Large Generating Facility Acquire rights to a point designated by the Participating TO near the Participating TO’s Coolwater 115kV Substation to provide the second telecommunication path required for the line protection scheme. A minimum of eight (8) strands within use the single-mode fiber fiber-optic cable shall be provided cables installed by the interconnection customer for the Participating TO’s exclusive use. The TOT345 (Q412) Project, for the diverse telecommunication path shall meet and the Applicable Reliability Standards criteria for diversitypanels to terminate the (v) Own, operate and maintain both telecommunication paths (including OPGW, any fiberConstruct a new 220 kV generation tie-optic cables, and appurtenant facilities), with line extension tap in order to connect the exception of Small Generating Facility to the terminal equipment at both Coolwater 115kV Substation and at Solar Ranch – Whirlwind 220 kV Transmission Line forming the Large Generating Facility, which terminal equipment will be installed, owned, operated and maintained by the Participating TO▇▇▇ - Solar Ranch – Whirlwind 220 kV Transmission Line. (vi) Install OPGW on the generation tie-line extension between the Small Generating Facility and the tap connect point to the Solar Ranch – Whirlwind 220 kV Transmission Line and install diverse single-mode fiber- optic cables from the Small Generating Facility to the single mode fiber- optic cables provided for with respect to the AV Solar Ranch One Project in a manner that provides diverse telecommunication paths to the Small Generating Facility. (vii) Allow the Participating TO to review the Interconnection Customer’s telecommunication equipment design and perform inspections to ensure compatibility with the Participating TO’s terminal equipment and protection engineering requirements; allow the Participating TO to perform acceptance testing of the telecommunication equipment and the right to request and/or to perform require correction of installation deficiencies. (viiviii) Provide required data signals, make Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s RTU RTU, and provide required data signals in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability to access twenty-four hours a day the space provided for the Participating TO’s RTU. (viiiix) Make available adequate space, facilities, and associated dedicated electrical circuits within a secure building having suitable environmental controls for the installation of the Participating TO’s telecommunications terminal equipment in accordance with the Interconnection Handbook. In accordance with Article 5.12 of this LGIA, . (x) Extend the Interconnection Customer acknowledges that the access required under such section will include Participating TO’s personnel ability fiber optic cable to access twenty-four hours a day the space provided for patch panel in the Participating TO’s telecommunications terminal equipmentcommunications equipment rack. (ix) Extend the OPGW and single-mode fiber-optic cable for the two telecommunication paths to an Interconnection Customer provided and installed patch panel located adjacent to the Participating TO’s telecommunications terminal equipment specified above. (xxi) Install all required CAISO-approved compliant metering equipment at the Large Small Generating Facility, in accordance with Section 10 of the CAISO Tariff. (xixii) Pursuant to Article 7.3 of this LGIA, install Install a revenue metering cabinet and revenue metering equipment (typically, potential voltage and current transformers) at the Large Small Generating Facility to meter the Large Small Generating Facility retail load, as specified by the Participating TO. In accordance with Article 5.12 of this LGIA, the Interconnection Customer acknowledges The metering cabinet must be placed at a location that the access required under such section will include Participating TO’s personnel ability to access would allow twenty-four hours a day the metering cabinet provided hour access for the Participating TO’s metering equipmentpersonnel. (xiixiii) Pursuant Allow the Participating TO to Article 7 of this LGIAinstall, install a in the revenue metering cabinet provided by the Interconnection Customer, revenue meters and metering appurtenant equipment (typically, potential and current transformers) at the Large Generating Facility required to meter the Large retail load at the Small Generating Facility Charging Demand, as Facility. (xiv) Install appropriate relay protection for the diverse telecommunication paths. Relay protection to be specified by the Participating TOTO to match the relay protection used by the Participating TO at Whirlwind Substation 1. In One (1) G.E. L90 current differential relay or its appropriate successor with dual dedicated digital communication channels to Whirlwind Substation. 2. One (1) SEL 311L current differential relay or its appropriate successor with dual dedicated digital communication channels to Whirlwind Substation. 3. Two (2) G.E. N60 relays and satellite clock. (xv) Install disconnect facilities in accordance with Articlethe Participating TO’s Interconnection Handbook to comply with the Participating TO’s switching and tagging procedures.